Yu-Lu "Chris" Liu, security engineer at Rakuten, Inc. In his previous job, Mr. Liu was responsible for doing mobile security research, and penetration testing with multinational companies, major banks in Japan, as well as governmental websites. After he joined Rakuten, he is mostly involved in security audit projects, and source code reviews. Mr. Liu was also responsible for evaluating whitebox methodologies, which later leads to the project where he created his own source code scanning methodologies for Android applications. Recently, Mr. Liu is also responsible for some malware analysis projects.